mcast: do not check 'rv' twice in a row

With the loop, don't check 'rv' twice in a row. Without the loop, 'rv'
doesn't even need to be checked.

Make the comment more grammar-friendly.

Signed-off-by: Jean Sacren <sakiwit@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jean Sacren 2013-02-03 21:34:10 +00:00 committed by David S. Miller
parent 25cc4ae913
commit 56db1c5f41

View File

@ -427,11 +427,9 @@ int ip6_mc_source(int add, int omode, struct sock *sk,
rv = 1; /* > 0 for insert logic below if sl_count is 0 */
for (i=0; i<psl->sl_count; i++) {
rv = !ipv6_addr_equal(&psl->sl_addr[i], source);
if (rv == 0)
break;
if (rv == 0) /* There is an error in the address. */
goto done;
}
if (rv == 0) /* address already there is an error */
goto done;
for (j=psl->sl_count-1; j>=i; j--)
psl->sl_addr[j+1] = psl->sl_addr[j];
psl->sl_addr[i] = *source;